Modifies the attributes of the selected arc or arcs in the currently open symbol editor sheet.
ChangeArcAttributes [<theta>] [<v-over-h>]
| 
                             theta  | 
                        
                             Arc swept angle in degrees. Default = 90.  | 
                    
| 
                             v-over-h  | 
                        
                             vertical radius/horizontal radius. Default = 1 (i.e. a circular arc)  | 
                    
| ▲ Command Summary ▲ | ||
| ◄ Cd | ChangeSelectedStyleNames ▶ | |